/* * Copyright (C) 2023 BlueKitchen GmbH * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the copyright holders nor the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * 4. Any redistribution, use, or modification is done solely for * personal benefit and not for any commercial purpose or for * monetary gain. * * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Please inquire about commercial licensing options at * contact@bluekitchen-gmbh.com * */ /** * @title AVRCP Cover Art Client * */ #ifndef AVRCP_COVER_ART_CLIENT_H #define AVRCP_COVER_ART_CLIENT_H #include #include "bluetooth.h" #include "btstack_config.h" #include "btstack_defines.h" #include "classic/goep_client.h" #include "btstack_linked_list.h" #include "classic/obex_parser.h" #include "l2cap.h" #include "classic/obex.h" #include "classic/obex_srm_client.h" #if defined __cplusplus extern "C" { #endif #ifdef ENABLE_AVRCP_COVER_ART typedef enum { AVRCP_COVER_ART_INIT = 0, AVRCP_COVER_ART_W4_SDP_QUERY_COMPLETE, AVRCP_COVER_ART_W2_GOEP_CONNECT, AVRCP_COVER_ART_W4_GOEP_CONNECTION, AVRCP_COVER_ART_W2_SEND_CONNECT_REQUEST, AVRCP_COVER_ART_W4_CONNECT_RESPONSE, AVRCP_COVER_ART_W4_USER_AUTHENTICATION, AVRCP_COVER_ART_W2_SEND_AUTHENTICATED_CONNECT, AVRCP_COVER_ART_CONNECTED, // generic get object AVRCP_COVER_ART_W2_SEND_GET_OBJECT, AVRCP_COVER_ART_W4_OBJECT, // disconnect AVRCP_COVER_ART_W2_SEND_DISCONNECT_REQUEST, AVRCP_COVER_ART_W4_DISCONNECT_RESPONSE, // abort operation AVRCP_COVER_ART_W4_ABORT_COMPLETE, } avrcp_cover_art_state_t; typedef struct { btstack_linked_item_t item; uint16_t cover_art_cid; uint16_t avrcp_cid; bd_addr_t addr; btstack_packet_handler_t packet_handler; uint8_t *ertm_buffer; uint32_t ertm_buffer_size; const l2cap_ertm_config_t * ertm_config; uint16_t goep_cid; goep_client_t goep_client; avrcp_cover_art_state_t state; // bool flow_control_enabled; bool flow_next_triggered; bool flow_wait_for_user; // obex parser bool obex_parser_waiting_for_response; obex_parser_t obex_parser; uint8_t obex_header_buffer[4]; // obex srm obex_srm_client_t obex_srm; // request const char * object_type; const char * image_handle; const char * image_descriptor; bool first_request; } avrcp_cover_art_client_t; /* API_START */ /** * @brief Set up AVRCP Cover Art client */ void avrcp_cover_art_client_init(void); /** * @brief Connect to AVRCP Cover Art service on a remote device, emits AVRCP_SUBEVENT_COVER_ART_CONNECTION_ESTABLISHED with status * @param packet_handler * @param remote_addr * @param ertm_buffer * @param ertm_buffer_size * @param ertm_config * @param avrcp_cover_art_cid outgoing parameter, valid if status == ERROR_CODE_SUCCESS * @return status */ uint8_t avrcp_cover_art_client_connect(avrcp_cover_art_client_t *cover_art_client, btstack_packet_handler_t packet_handler, bd_addr_t remote_addr, uint8_t *ertm_buffer, uint32_t ertm_buffer_size, const l2cap_ertm_config_t *ertm_config, uint16_t *avrcp_cover_art_cid); /** * @brief Request cover art thumbnail for cover with a given image handle retrieved via * - avrcp_controller_get_now_playing_info or * - avrcp_controller_get_element_attributes(... AVRCP_MEDIA_ATTR_DEFAULT_COVER_ART ...) * @param avrcp_cover_art_cid * @param image_handle * @return status */ uint8_t avrcp_cover_art_client_get_linked_thumbnail(uint16_t avrcp_cover_art_cid, const char * image_handle); /** * @brief Request cover art image for given image handle retrieved via * - avrcp_controller_get_now_playing_info or * - avrcp_controller_get_element_attributes(... AVRCP_MEDIA_ATTR_DEFAULT_COVER_ART ...) * and given image descriptor * @param avrcp_cover_art_cid * @param image_handle * @param image_descriptor * @return status */ uint8_t avrcp_cover_art_client_get_image(uint16_t avrcp_cover_art_cid, const char * image_handle, const char * image_descriptor); /** * @brief Request image properties for given image handle retrieved via * - avrcp_controller_get_now_playing_info or * - avrcp_controller_get_element_attributes(... AVRCP_MEDIA_ATTR_DEFAULT_COVER_ART ...) * @param avrcp_cover_art_cid * @param image_handle * @return status */ uint8_t avrcp_cover_art_client_get_image_properties(uint16_t avrcp_cover_art_cid, const char * image_handle); /** * @brief Disconnect from AVRCP Cover Art service * @param avrcp_cover_art_cid * @return status */ uint8_t avrcp_cover_art_client_disconnect(uint16_t avrcp_cover_art_cid); /** * @brief De-Init AVRCP Cover Art Client */ void avrcp_cover_art_client_deinit(void); /* API_END */ #endif #if defined __cplusplus } #endif #endif // AVRCP_COVER_ART_CLIENT_H